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        <title>后台C++开发你一定要知道的条件变量 · 高性能服务器开发 技术专栏</title>
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        <li class="header">Part I</li>
        
        
    
        <li class="chapter " data-level="1.1" data-path="../../">
            
                <a href="../../">
            
                    
                    Introduction
            
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        <li class="chapter " data-level="1.2" data-path="../C++必知必会的知识点/">
            
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                    C++必知必会的知识点
            
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        <li class="chapter " data-level="1.2.1" data-path="../C++必知必会的知识点/如何成为一名合格的CC++开发者？.html">
            
                <a href="../C++必知必会的知识点/如何成为一名合格的CC++开发者？.html">
            
                    
                    如何成为一名合格的C/C++开发者？
            
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        <li class="chapter " data-level="1.2.2" data-path="../C++必知必会的知识点/不定参数函数实现var_arg系列的宏.html">
            
                <a href="../C++必知必会的知识点/不定参数函数实现var_arg系列的宏.html">
            
                    
                    不定参数函数实现var_arg系列的宏
            
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        </li>
    
        <li class="chapter " data-level="1.2.3" data-path="../C++必知必会的知识点/你一定要搞明白的C函数调用方式与栈原理.html">
            
                <a href="../C++必知必会的知识点/你一定要搞明白的C函数调用方式与栈原理.html">
            
                    
                    你一定要搞明白的C函数调用方式与栈原理
            
                </a>
            

            
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        <li class="chapter " data-level="1.2.4" data-path="../C++必知必会的知识点/深入理解CC++中的指针.html">
            
                <a href="../C++必知必会的知识点/深入理解CC++中的指针.html">
            
                    
                    深入理解C/C++中的指针
            
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                    详解C++11中的智能指针
            
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        <li class="chapter " data-level="1.2.6" data-path="../C++必知必会的知识点/C++17结构化绑定.html">
            
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                    C++17结构化绑定
            
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        <li class="chapter " data-level="1.2.7" data-path="../C++必知必会的知识点/C++必须掌握的pimpl惯用法.html">
            
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                    C++必须掌握的pimpl惯用法
            
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                <a href="../C++必知必会的知识点/用VisualStudio调试Linux程序.html">
            
                    
                    用Visual Studio调试Linux程序
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.2.9" data-path="../C++必知必会的知识点/如何使用VisualStudio管理和阅读开源项目代码.html">
            
                <a href="../C++必知必会的知识点/如何使用VisualStudio管理和阅读开源项目代码.html">
            
                    
                    如何使用Visual Studio管理和阅读开源项目代码
            
                </a>
            

            
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        <li class="chapter " data-level="1.2.10" data-path="../C++必知必会的知识点/利用cmake工具生成VisualStudio工程文件.html">
            
                <a href="../C++必知必会的知识点/利用cmake工具生成VisualStudio工程文件.html">
            
                    
                    利用cmake工具生成Visual Studio工程文件
            
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            </ul>
            
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        <li class="chapter " data-level="1.3" data-path="./">
            
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                    多线程
            
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        <li class="chapter active" data-level="1.3.1" data-path="后台C++开发你一定要知道的条件变量.html">
            
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                    后台C++开发你一定要知道的条件变量
            
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        </li>
    
        <li class="chapter " data-level="1.3.2" data-path="整型变量赋值是原子操作吗？.html">
            
                <a href="整型变量赋值是原子操作吗？.html">
            
                    
                    整型变量赋值是原子操作吗？
            
                </a>
            

            
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            </ul>
            
        </li>
    

    
        
        <li class="divider"></li>
        
        
    
        <li class="chapter " data-level="2.1" data-path="../网络编程/">
            
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                    网络编程
            
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            <ul class="articles">
                
    
        <li class="chapter " data-level="2.1.1" data-path="../网络编程/bind函数重难点解析.html">
            
                <a href="../网络编程/bind函数重难点解析.html">
            
                    
                    bind 函数重难点解析
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.2" data-path="../网络编程/connect函数在阻塞和非阻塞模式下的行为.html">
            
                <a href="../网络编程/connect函数在阻塞和非阻塞模式下的行为.html">
            
                    
                    connect 函数在阻塞和非阻塞模式下的行为
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.3" data-path="../网络编程/select函数重难点解析.html">
            
                <a href="../网络编程/select函数重难点解析.html">
            
                    
                    select 函数重难点解析
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.4" data-path="../网络编程/Linuxepoll模型（含LT模式和ET模式详解）.html">
            
                <a href="../网络编程/Linuxepoll模型（含LT模式和ET模式详解）.html">
            
                    
                    Linux epoll 模型（含LT 模式和 ET 模式详解）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.5" data-path="../网络编程/socket的阻塞模式和非阻塞模式.html">
            
                <a href="../网络编程/socket的阻塞模式和非阻塞模式.html">
            
                    
                    socket 的阻塞模式和非阻塞模式
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.6" data-path="../网络编程/非阻塞模式下send和recv函数的返回值.html">
            
                <a href="../网络编程/非阻塞模式下send和recv函数的返回值.html">
            
                    
                    非阻塞模式下 send 和 recv 函数的返回值
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.7" data-path="../网络编程/服务器开发通信协议设计介绍.html">
            
                <a href="../网络编程/服务器开发通信协议设计介绍.html">
            
                    
                    服务器开发通信协议设计介绍
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.8" data-path="../网络编程/TCP协议如何解决粘包、半包问题.html">
            
                <a href="../网络编程/TCP协议如何解决粘包、半包问题.html">
            
                    
                    TCP 协议如何解决粘包、半包问题
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.9" data-path="../网络编程/网络通信中收发数据的正确姿势.html">
            
                <a href="../网络编程/网络通信中收发数据的正确姿势.html">
            
                    
                    网络通信中收发数据的正确姿势
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.10" data-path="../网络编程/服务器端发数据时，如果对端一直不收，怎么办？.html">
            
                <a href="../网络编程/服务器端发数据时，如果对端一直不收，怎么办？.html">
            
                    
                    服务器端发数据时，如果对端一直不收，怎么办？
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

    
        
        <li class="divider"></li>
        
        
    
        <li class="chapter " data-level="3.1" data-path="../程序员必知必会的网络命令/">
            
                <a href="../程序员必知必会的网络命令/">
            
                    
                    程序员必知必会的网络命令
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="3.1.1" data-path="../程序员必知必会的网络命令/利用telnet命令发电子邮件.html">
            
                <a href="../程序员必知必会的网络命令/利用telnet命令发电子邮件.html">
            
                    
                    利用telnet命令发电子邮件
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="3.1.2" data-path="../程序员必知必会的网络命令/做Java或者C++开发都应该知道的lsof命令.html">
            
                <a href="../程序员必知必会的网络命令/做Java或者C++开发都应该知道的lsof命令.html">
            
                    
                    做Java或者C++开发都应该知道的lsof命令
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="3.1.3" data-path="../程序员必知必会的网络命令/Linux网络故障排查的瑞士军刀.html">
            
                <a href="../程序员必知必会的网络命令/Linux网络故障排查的瑞士军刀.html">
            
                    
                    Linux网络故障排查的瑞士军刀nc命令
            
                </a>
            

            
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        <li class="chapter " data-level="3.1.4" data-path="../程序员必知必会的网络命令/Linuxtcpdump使用介绍.html">
            
                <a href="../程序员必知必会的网络命令/Linuxtcpdump使用介绍.html">
            
                    
                    Linux tcpdump使用详解
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="3.1.5" data-path="../程序员必知必会的网络命令/从抓包的角度分析connect函数的连接过程.html">
            
                <a href="../程序员必知必会的网络命令/从抓包的角度分析connect函数的连接过程.html">
            
                    
                    从抓包的角度分析connect函数的连接过程
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="3.1.6" data-path="../程序员必知必会的网络命令/服务器开发中网络数据分析与故障排查经验漫谈.html">
            
                <a href="../程序员必知必会的网络命令/服务器开发中网络数据分析与故障排查经验漫谈.html">
            
                    
                    服务器开发中网络数据分析与故障排查经验漫谈
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

    
        
        <li class="header">Part II</li>
        
        
    
        <li class="chapter " data-level="4.1" data-path="../高性能服务器框架设计/">
            
                <a href="../高性能服务器框架设计/">
            
                    
                    高性能服务器框架设计
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="4.1.1" data-path="../高性能服务器框架设计/主线程与工作线程的分工.html">
            
                <a href="../高性能服务器框架设计/主线程与工作线程的分工.html">
            
                    
                    主线程与工作线程的分工
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.1.2" data-path="../高性能服务器框架设计/Reactor模式.html">
            
                <a href="../高性能服务器框架设计/Reactor模式.html">
            
                    
                    Reactor模式
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.1.3" data-path="../高性能服务器框架设计/实例：一个服务器程序的架构介绍.html">
            
                <a href="../高性能服务器框架设计/实例：一个服务器程序的架构介绍.html">
            
                    
                    实例：一个服务器程序的架构介绍
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.1.4" data-path="../高性能服务器框架设计/错误码系统的设计.html">
            
                <a href="../高性能服务器框架设计/错误码系统的设计.html">
            
                    
                    错误码系统的设计
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.1.5" data-path="../高性能服务器框架设计/日志系统的设计.html">
            
                <a href="../高性能服务器框架设计/日志系统的设计.html">
            
                    
                    日志系统的设计
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.1.6" data-path="../高性能服务器框架设计/如何设计断线自动重连机制.html">
            
                <a href="../高性能服务器框架设计/如何设计断线自动重连机制.html">
            
                    
                    如何设计断线自动重连机制
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.1.7" data-path="../高性能服务器框架设计/心跳包机制设计详解.html">
            
                <a href="../高性能服务器框架设计/心跳包机制设计详解.html">
            
                    
                    心跳包机制设计详解
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.1.8" data-path="../高性能服务器框架设计/业务数据处理一定要单独开线程吗.html">
            
                <a href="../高性能服务器框架设计/业务数据处理一定要单独开线程吗.html">
            
                    
                    业务数据处理一定要单独开线程吗
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.1.9" data-path="../高性能服务器框架设计/C++高性能服务器网络框架设计细节.html">
            
                <a href="../高性能服务器框架设计/C++高性能服务器网络框架设计细节.html">
            
                    
                    C++ 高性能服务器网络框架设计细节
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

    
        
        <li class="divider"></li>
        
        
    
        <li class="chapter " data-level="5.1" data-path="../服务器开发案例实战/">
            
                <a href="../服务器开发案例实战/">
            
                    
                    服务器开发案例实战
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="5.1.1" data-path="../服务器开发案例实战/从零实现一个http服务器.html">
            
                <a href="../服务器开发案例实战/从零实现一个http服务器.html">
            
                    
                    从零实现一个http服务器
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="5.1.2" data-path="../服务器开发案例实战/从零实现一款12306刷票软件.html">
            
                <a href="../服务器开发案例实战/从零实现一款12306刷票软件.html">
            
                    
                    从零实现一款12306刷票软件
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="5.1.3" data-path="../服务器开发案例实战/从零实现一个邮件收发客户端.html">
            
                <a href="../服务器开发案例实战/从零实现一个邮件收发客户端.html">
            
                    
                    从零实现一个邮件收发客户端
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="5.1.4" data-path="../服务器开发案例实战/从零开发一个WebSocket服务器.html">
            
                <a href="../服务器开发案例实战/从零开发一个WebSocket服务器.html">
            
                    
                    从零开发一个WebSocket服务器
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="5.1.5" data-path="../服务器开发案例实战/1从一款多人联机实时对战游戏开始.html">
            
                <a href="../服务器开发案例实战/1从一款多人联机实时对战游戏开始.html">
            
                    
                    从零学习开源项目系列（一） 从一款多人联机实时对战游戏开始
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="5.1.6" data-path="../服务器开发案例实战/2最后一战概况.html">
            
                <a href="../服务器开发案例实战/2最后一战概况.html">
            
                    
                    从零学习开源项目系列（二） 最后一战概况
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="5.1.7" data-path="../服务器开发案例实战/3CSBattleMgr服务源码研究.html">
            
                <a href="../服务器开发案例实战/3CSBattleMgr服务源码研究.html">
            
                    
                    从零学习开源项目系列（三） CSBattleMgr服务源码研究
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="5.1.8" data-path="../服务器开发案例实战/4LogServer源码探究.html">
            
                <a href="../服务器开发案例实战/4LogServer源码探究.html">
            
                    
                    从零学习开源项目系列（四）LogServer源码探究
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

    
        
        <li class="header">Part III</li>
        
        
    
        <li class="chapter " data-level="6.1" data-path="../TeamTalk源码解析/">
            
                <a href="../TeamTalk源码解析/">
            
                    
                    TeamTalk IM源码分析
            
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        <li class="chapter " data-level="6.1.1" data-path="../TeamTalk源码解析/01TeamTalk介绍.html">
            
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                    01 TeamTalk介绍
            
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        <li class="chapter " data-level="6.1.2" data-path="../TeamTalk源码解析/02服务器端的程序的编译与部署.html">
            
                <a href="../TeamTalk源码解析/02服务器端的程序的编译与部署.html">
            
                    
                    02 服务器端的程序的编译与部署
            
                </a>
            

            
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        <li class="chapter " data-level="6.1.3" data-path="../TeamTalk源码解析/03服务器端的程序架构介绍.html">
            
                <a href="../TeamTalk源码解析/03服务器端的程序架构介绍.html">
            
                    
                    03 服务器端的程序架构介绍
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="6.1.4" data-path="../TeamTalk源码解析/04服务器端db_proxy_server源码分析.html">
            
                <a href="../TeamTalk源码解析/04服务器端db_proxy_server源码分析.html">
            
                    
                    04 服务器端db_proxy_server源码分析
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="6.1.5" data-path="../TeamTalk源码解析/05服务器端msg_server源码分析.html">
            
                <a href="../TeamTalk源码解析/05服务器端msg_server源码分析.html">
            
                    
                    05 服务器端msg_server源码分析
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="6.1.6" data-path="../TeamTalk源码解析/06服务器端login_server源码分析.html">
            
                <a href="../TeamTalk源码解析/06服务器端login_server源码分析.html">
            
                    
                    06 服务器端login_server源码分析
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="6.1.7" data-path="../TeamTalk源码解析/07服务器端msfs源码分析.html">
            
                <a href="../TeamTalk源码解析/07服务器端msfs源码分析.html">
            
                    
                    07 服务器端msfs源码分析
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="6.1.8" data-path="../TeamTalk源码解析/08服务器端file_server源码分析.html">
            
                <a href="../TeamTalk源码解析/08服务器端file_server源码分析.html">
            
                    
                    08 服务器端file_server源码分析
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="6.1.9" data-path="../TeamTalk源码解析/09服务器端route_server源码分析.html">
            
                <a href="../TeamTalk源码解析/09服务器端route_server源码分析.html">
            
                    
                    09 服务器端route_server源码分析
            
                </a>
            

            
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        <li class="chapter " data-level="6.1.10" data-path="../TeamTalk源码解析/10开放一个TeamTalk测试服务器地址和几个测试账号.html">
            
                <a href="../TeamTalk源码解析/10开放一个TeamTalk测试服务器地址和几个测试账号.html">
            
                    
                    10 开放一个TeamTalk测试服务器地址和几个测试账号
            
                </a>
            

            
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        <li class="chapter " data-level="6.1.11" data-path="../TeamTalk源码解析/11pc客户端源码分析.html">
            
                <a href="../TeamTalk源码解析/11pc客户端源码分析.html">
            
                    
                    11 pc客户端源码分析
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

    
        
        <li class="divider"></li>
        
        
    
        <li class="chapter " data-level="7.1" data-path="../libevent源码深度剖析/">
            
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                    libevent源码深度剖析
            
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            <ul class="articles">
                
    
        <li class="chapter " data-level="7.1.1" data-path="../libevent源码深度剖析/libevent源码深度剖析01.html">
            
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                    libevent源码深度剖析01
            
                </a>
            

            
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        <li class="chapter " data-level="7.1.2" data-path="../libevent源码深度剖析/libevent源码深度剖析02.html">
            
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                    libevent源码深度剖析02
            
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        <li class="chapter " data-level="7.1.3" data-path="../libevent源码深度剖析/libevent源码深度剖析03.html">
            
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                    libevent源码深度剖析03
            
                </a>
            

            
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        <li class="chapter " data-level="7.1.4" data-path="../libevent源码深度剖析/libevent源码深度剖析04.html">
            
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                    libevent源码深度剖析04
            
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        <li class="chapter " data-level="7.1.5" data-path="../libevent源码深度剖析/libevent源码深度剖析05.html">
            
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                    libevent源码深度剖析05
            
                </a>
            

            
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        <li class="chapter " data-level="7.1.6" data-path="../libevent源码深度剖析/libevent源码深度剖析06.html">
            
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                    libevent源码深度剖析06
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.1.7" data-path="../libevent源码深度剖析/libevent源码深度剖析07.html">
            
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                    libevent源码深度剖析07
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.1.8" data-path="../libevent源码深度剖析/libevent源码深度剖析08.html">
            
                <a href="../libevent源码深度剖析/libevent源码深度剖析08.html">
            
                    
                    libevent源码深度剖析08
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.1.9" data-path="../libevent源码深度剖析/libevent源码深度剖析09.html">
            
                <a href="../libevent源码深度剖析/libevent源码深度剖析09.html">
            
                    
                    libevent源码深度剖析09
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.1.10" data-path="../libevent源码深度剖析/libevent源码深度剖析10.html">
            
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                    libevent源码深度剖析10
            
                </a>
            

            
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        <li class="chapter " data-level="7.1.11" data-path="../libevent源码深度剖析/libevent源码深度剖析11.html">
            
                <a href="../libevent源码深度剖析/libevent源码深度剖析11.html">
            
                    
                    libevent源码深度剖析11
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.1.12" data-path="../libevent源码深度剖析/libevent源码深度剖析12.html">
            
                <a href="../libevent源码深度剖析/libevent源码深度剖析12.html">
            
                    
                    libevent源码深度剖析12
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.1.13" data-path="../libevent源码深度剖析/libevent源码深度剖析13.html">
            
                <a href="../libevent源码深度剖析/libevent源码深度剖析13.html">
            
                    
                    libevent源码深度剖析13
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="7.2" data-path="../leveldb源码分析/">
            
                <a href="../leveldb源码分析/">
            
                    
                    leveldb源码分析
            
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            <ul class="articles">
                
    
        <li class="chapter " data-level="7.2.1" data-path="../leveldb源码分析/leveldb源码分析1.html">
            
                <a href="../leveldb源码分析/leveldb源码分析1.html">
            
                    
                    leveldb源码分析1
            
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        </li>
    
        <li class="chapter " data-level="7.2.2" data-path="../leveldb源码分析/leveldb源码分析2.html">
            
                <a href="../leveldb源码分析/leveldb源码分析2.html">
            
                    
                    leveldb源码分析2
            
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        </li>
    
        <li class="chapter " data-level="7.2.3" data-path="../leveldb源码分析/leveldb源码分析3.html">
            
                <a href="../leveldb源码分析/leveldb源码分析3.html">
            
                    
                    leveldb源码分析3
            
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        </li>
    
        <li class="chapter " data-level="7.2.4" data-path="../leveldb源码分析/leveldb源码分析4.html">
            
                <a href="../leveldb源码分析/leveldb源码分析4.html">
            
                    
                    leveldb源码分析4
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.5" data-path="../leveldb源码分析/leveldb源码分析5.html">
            
                <a href="../leveldb源码分析/leveldb源码分析5.html">
            
                    
                    leveldb源码分析5
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.6" data-path="../leveldb源码分析/leveldb源码分析6.html">
            
                <a href="../leveldb源码分析/leveldb源码分析6.html">
            
                    
                    leveldb源码分析6
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.7" data-path="../leveldb源码分析/leveldb源码分析7.html">
            
                <a href="../leveldb源码分析/leveldb源码分析7.html">
            
                    
                    leveldb源码分析7
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.8" data-path="../leveldb源码分析/leveldb源码分析8.html">
            
                <a href="../leveldb源码分析/leveldb源码分析8.html">
            
                    
                    leveldb源码分析8
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.9" data-path="../leveldb源码分析/leveldb源码分析9.html">
            
                <a href="../leveldb源码分析/leveldb源码分析9.html">
            
                    
                    leveldb源码分析9
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.10" data-path="../leveldb源码分析/leveldb源码分析10.html">
            
                <a href="../leveldb源码分析/leveldb源码分析10.html">
            
                    
                    leveldb源码分析10
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.11" data-path="../leveldb源码分析/leveldb源码分析11.html">
            
                <a href="../leveldb源码分析/leveldb源码分析11.html">
            
                    
                    leveldb源码分析11
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.12" data-path="../leveldb源码分析/leveldb源码分析12.html">
            
                <a href="../leveldb源码分析/leveldb源码分析12.html">
            
                    
                    leveldb源码分析12
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.13" data-path="../leveldb源码分析/leveldb源码分析13.html">
            
                <a href="../leveldb源码分析/leveldb源码分析13.html">
            
                    
                    leveldb源码分析13
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.14" data-path="../leveldb源码分析/leveldb源码分析14.html">
            
                <a href="../leveldb源码分析/leveldb源码分析14.html">
            
                    
                    leveldb源码分析14
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.15" data-path="../leveldb源码分析/leveldb源码分析15.html">
            
                <a href="../leveldb源码分析/leveldb源码分析15.html">
            
                    
                    leveldb源码分析15
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.16" data-path="../leveldb源码分析/leveldb源码分析16.html">
            
                <a href="../leveldb源码分析/leveldb源码分析16.html">
            
                    
                    leveldb源码分析16
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.17" data-path="../leveldb源码分析/leveldb源码分析17.html">
            
                <a href="../leveldb源码分析/leveldb源码分析17.html">
            
                    
                    leveldb源码分析17
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.18" data-path="../leveldb源码分析/leveldb源码分析18.html">
            
                <a href="../leveldb源码分析/leveldb源码分析18.html">
            
                    
                    leveldb源码分析18
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.19" data-path="../leveldb源码分析/leveldb源码分析19.html">
            
                <a href="../leveldb源码分析/leveldb源码分析19.html">
            
                    
                    leveldb源码分析19
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.20" data-path="../leveldb源码分析/leveldb源码分析20.html">
            
                <a href="../leveldb源码分析/leveldb源码分析20.html">
            
                    
                    leveldb源码分析20
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.21" data-path="../leveldb源码分析/leveldb源码分析21.html">
            
                <a href="../leveldb源码分析/leveldb源码分析21.html">
            
                    
                    leveldb源码分析21
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.22" data-path="../leveldb源码分析/leveldb源码分析22.html">
            
                <a href="../leveldb源码分析/leveldb源码分析22.html">
            
                    
                    leveldb源码分析22
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

    
        
        <li class="divider"></li>
        
        
    
        <li class="chapter " data-level="8.1" data-path="../Memcached源码分析/">
            
                <a href="../Memcached源码分析/">
            
                    
                    Memcached源码分析
            
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            <ul class="articles">
                
    
        <li class="chapter " data-level="8.1.1" data-path="../Memcached源码分析/00服务器资源调整.html">
            
                <a href="../Memcached源码分析/00服务器资源调整.html">
            
                    
                    00 服务器资源调整
            
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        </li>
    
        <li class="chapter " data-level="8.1.2" data-path="../Memcached源码分析/01初始化参数解析.html">
            
                <a href="../Memcached源码分析/01初始化参数解析.html">
            
                    
                    01 初始化参数解析
            
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        </li>
    
        <li class="chapter " data-level="8.1.3" data-path="../Memcached源码分析/02网络监听的建立.html">
            
                <a href="../Memcached源码分析/02网络监听的建立.html">
            
                    
                    02 网络监听的建立
            
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        </li>
    
        <li class="chapter " data-level="8.1.4" data-path="../Memcached源码分析/03网络连接建立.html">
            
                <a href="../Memcached源码分析/03网络连接建立.html">
            
                    
                    03 网络连接建立
            
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        <li class="chapter " data-level="8.1.5" data-path="../Memcached源码分析/04内存初始化.html">
            
                <a href="../Memcached源码分析/04内存初始化.html">
            
                    
                    04 内存初始化
            
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        <li class="chapter " data-level="8.1.6" data-path="../Memcached源码分析/05资源初始化.html">
            
                <a href="../Memcached源码分析/05资源初始化.html">
            
                    
                    05 资源初始化
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="8.1.7" data-path="../Memcached源码分析/06get过程.html">
            
                <a href="../Memcached源码分析/06get过程.html">
            
                    
                    06 get过程
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="8.1.8" data-path="../Memcached源码分析/07cas属性.html">
            
                <a href="../Memcached源码分析/07cas属性.html">
            
                    
                    07 cas属性
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="8.1.9" data-path="../Memcached源码分析/08内存池.html">
            
                <a href="../Memcached源码分析/08内存池.html">
            
                    
                    08 内存池
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="8.1.10" data-path="../Memcached源码分析/09连接队列.html">
            
                <a href="../Memcached源码分析/09连接队列.html">
            
                    
                    09 连接队列
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="8.1.11" data-path="../Memcached源码分析/10Hash表操作.html">
            
                <a href="../Memcached源码分析/10Hash表操作.html">
            
                    
                    10 Hash表操作
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="8.1.12" data-path="../Memcached源码分析/12set操作.html">
            
                <a href="../Memcached源码分析/12set操作.html">
            
                    
                    12 set操作
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="8.1.13" data-path="../Memcached源码分析/13do_item_alloc操作.html">
            
                <a href="../Memcached源码分析/13do_item_alloc操作.html">
            
                    
                    13 do_item_alloc操作
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="8.1.14" data-path="../Memcached源码分析/14item结构.html">
            
                <a href="../Memcached源码分析/14item结构.html">
            
                    
                    14 item结构
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="8.1.15" data-path="../Memcached源码分析/15Hash表扩容.html">
            
                <a href="../Memcached源码分析/15Hash表扩容.html">
            
                    
                    15 Hash表扩容
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="8.1.16" data-path="../Memcached源码分析/16线程交互.html">
            
                <a href="../Memcached源码分析/16线程交互.html">
            
                    
                    16 线程交互
            
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        </li>
    
        <li class="chapter " data-level="8.1.17" data-path="../Memcached源码分析/17状态机.html">
            
                <a href="../Memcached源码分析/17状态机.html">
            
                    
                    17 状态机
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

    
        
        <li class="divider"></li>
        
        
    
        <li class="chapter " data-level="9.1" data-path="../游戏开发专题/">
            
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                    游戏开发专题
            
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        <li class="chapter " data-level="9.1.1" data-path="../游戏开发专题/1游戏服务器开发的基本体系与服务器端开发的一些建议.html">
            
                <a href="../游戏开发专题/1游戏服务器开发的基本体系与服务器端开发的一些建议.html">
            
                    
                    1 游戏服务器开发的基本体系与服务器端开发的一些建议
            
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                    2 网络游戏服务器开发框架设计介绍
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="9.1.3" data-path="../游戏开发专题/3游戏后端开发需要掌握的知识.html">
            
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                    3 游戏后端开发需要掌握的知识
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="9.1.4" data-path="../游戏开发专题/4关于游戏服务端架构的整理.html">
            
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                    4 关于游戏服务端架构的整理
            
                </a>
            

            
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        <li class="chapter " data-level="9.1.5" data-path="../游戏开发专题/5各类游戏对应的服务端架构.html">
            
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                    5 各类游戏对应的服务端架构
            
                </a>
            

            
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        <li class="chapter " data-level="9.1.6" data-path="../游戏开发专题/6从腾讯QQgame高性能服务器集群架构看“分而治之”与“自治”等分布式架构设计原则.html">
            
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                    6 从腾讯QQgame高性能服务器集群架构看“分而治之”与“自治”等分布式架构设计原则
            
                </a>
            

            
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        <li class="chapter " data-level="9.1.7" data-path="../游戏开发专题/7QQ游戏百万人同时在线服务器架构实现.html">
            
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                    7 QQ游戏百万人同时在线服务器架构实现
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="9.1.8" data-path="../游戏开发专题/8大型多人在线游戏服务器架构设计.html">
            
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                    8 大型多人在线游戏服务器架构设计
            
                </a>
            

            
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        <li class="chapter " data-level="9.1.9" data-path="../游戏开发专题/9百万用户级游戏服务器架构设计.html">
            
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                    9 百万用户级游戏服务器架构设计
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="9.1.10" data-path="../游戏开发专题/10十万在线的WebGame的数据库设计思路.html">
            
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                    10 十万在线的WebGame的数据库设计思路
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="9.1.11" data-path="../游戏开发专题/11一种高性能网络游戏服务器架构设计.html">
            
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                    11 一种高性能网络游戏服务器架构设计
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="9.1.12" data-path="../游戏开发专题/12经典游戏服务器端架构概述.html">
            
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                    12 经典游戏服务器端架构概述
            
                </a>
            

            
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                    13 游戏跨服架构进化之路
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

    
        
        <li class="header">Part IV</li>
        
        
    
        <li class="chapter " data-level="10.1" data-path="../程序员面试题精讲/">
            
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                </a>
            

            
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                    聊聊如何拿大厂的 offer
            
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                    我面试后端开发经理的经历
            
                </a>
            

            
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                </a>
            

            
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            </ul>
            
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                    职业规划
            
                </a>
            

            
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                    给工作 4 年迷茫的程序员们的一点建议
            
                </a>
            

            
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        <li class="chapter " data-level="10.2.2" data-path="../职业规划/聊聊技术人员的常见的职业问题.html">
            
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                    聊聊技术人员的常见的职业问题
            
                </a>
            

            
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        <li class="chapter " data-level="10.2.3" data-path="../职业规划/写给那些傻傻想做服务器开发的朋友.html">
            
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                    写给那些傻傻想做服务器开发的朋友
            
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        <li class="chapter " data-level="10.3" data-path="../自我提升与开源代码/">
            
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                    自我提升与开源代码
            
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            <ul class="articles">
                
    
        <li class="chapter " data-level="10.3.1" data-path="../自我提升与开源代码/2020年好好读一读开源代码吧.html">
            
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                </a>
            

            
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        <li class="chapter " data-level="10.4" data-path="../后端开发相关的书籍/">
            
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                    后端开发相关的书籍
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="10.4.1" data-path="../后端开发相关的书籍/后台开发应该读的书.html">
            
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                </a>
            

            
        </li>
    

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        <li class="chapter " data-level="10.5" data-path="../程序员的简历/">
            
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                </a>
            

            
            <ul class="articles">
                
    
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                <a href="../程序员的简历/程序员如何写简历.html">
            
                    
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                </a>
            

            
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            </ul>
            
        </li>
    
        <li class="chapter " data-level="10.6" data-path="../程序员的薪资与年终奖那些事儿/">
            
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                    程序员的薪资与年终奖那些事儿
            
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                    程序员的烦心事
            
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                    拒绝了一家公司的offer后，他们的副总和hr总监同时打电话来询问拒绝原因并极力要求加入，我该不该去？
            
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        <li class="chapter " data-level="10.7.2" data-path="../程序员的烦心事/我是一名程序员，结婚时女友要求我用两年的工资作为彩礼，我该不该答应？.html">
            
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        <li class="chapter " data-level="10.8" data-path="../作者的故事/">
            
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                    作者的故事
            
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                    我的 2019
            
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<pre class="language-"><code>/**
 *  &#x7EBF;&#x7A0B;&#x6C60;&#x5DE5;&#x5177;, ctrip_thread_pool.h
 *  zhangyl 2018.03.23
 */

#ifndef __CTRIP_THREAD_POOL_H__
#define __CTRIP_THREAD_POOL_H__

#include <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>pthread.h</span><span class="token punctuation">&gt;</span></span>

#ifndef NULL
#define NULL 0
#endif

#define PUBLIC 

PUBLIC struct ctrip_task
{
    struct ctrip_task*   pNext;
    int                  value;
};

struct ctrip_thread_info
{
    //&#x7EBF;&#x7A0B;&#x9000;&#x51FA;&#x6807;&#x5FD7;
    int                    thread_running;
    int                    thread_num;
    int                    tasknum;
    struct ctrip_task*     tasks;
    pthread_t*             threadid;
    pthread_mutex_t        mutex;
    pthread_cond_t         cond;
};

/* &#x521D;&#x59CB;&#x5316;&#x7EBF;&#x7A0B;&#x6C60;&#x7EBF;&#x7A0B;&#x6570;&#x76EE;
 * @param thread_num &#x7EBF;&#x7A0B;&#x6570;&#x76EE;, &#x9ED8;&#x8BA4;&#x4E3A;8&#x4E2A;
 */
PUBLIC void  ctrip_init_thread_pool(int thread_num);

/* &#x9500;&#x6BC1;&#x7EBF;&#x7A0B;&#x6C60;
 */
PUBLIC void  ctrip_destroy_thread_pool();

/**&#x5411;&#x4EFB;&#x52A1;&#x6C60;&#x4E2D;&#x589E;&#x52A0;&#x4E00;&#x4E2A;&#x4EFB;&#x52A1;
 * @param t &#x9700;&#x8981;&#x589E;&#x52A0;&#x7684;&#x4EFB;&#x52A1;
 */
PUBLIC void ctrip_thread_pool_add_task(struct ctrip_task* t);

/**&#x4ECE;&#x4EFB;&#x52A1;&#x6C60;&#x4E2D;&#x53D6;&#x51FA;&#x4E00;&#x4E2A;&#x4EFB;&#x52A1;
 * @return &#x8FD4;&#x56DE;&#x5F97;&#x5230;&#x7684;&#x4EFB;&#x52A1;
 */
struct ctrip_task* ctrip_thread_pool_retrieve_task();

/**&#x6267;&#x884C;&#x4EFB;&#x52A1;&#x6C60;&#x4E2D;&#x7684;&#x4EFB;&#x52A1;
 * @param t &#x9700;&#x8981;&#x6267;&#x884C;&#x7684;&#x4EFB;&#x52A1;
 */
PUBLIC void ctrip_thread_pool_do_task(struct ctrip_task* t);

/**&#x7EBF;&#x7A0B;&#x51FD;&#x6570;
 * @param thread_param &#x7EBF;&#x7A0B;&#x53C2;&#x6570;
 */
void* ctrip_thread_routine(void* thread_param);

#endif //!__CTRIP_THREAD_POOL_H__
/**
 *  &#x7EBF;&#x7A0B;&#x6C60;&#x5DE5;&#x5177;, ctrip_thread_pool.c
 *  zhangyl 2018.03.23
 */

#include &quot;ctrip_thread_pool.h&quot;
#include <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>stdio.h</span><span class="token punctuation">&gt;</span></span>
#include <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>stdlib.h</span><span class="token punctuation">&gt;</span></span>

struct ctrip_thread_info g_threadinfo;
int thread_running = 0;

void ctrip_init_thread_pool(int thread_num)
{
    if (thread_num &lt;= 0)
        thread_num = 5;

    pthread_mutex_init(&amp;g_threadinfo.mutex, NULL);
    pthread_cond_init(&amp;g_threadinfo.cond, NULL);

    g_threadinfo.thread_num = thread_num;
    g_threadinfo.thread_running = 1;
    g_threadinfo.tasknum = 0;
    g_threadinfo.tasks = NULL;
    thread_running = 1;

    g_threadinfo.threadid = (pthread_t*)malloc(sizeof(pthread_t) * thread_num);

    int i;
    for (i = 0; i &lt; thread_num; ++i)
    {
        pthread_create(&amp;g_threadinfo.threadid[i], NULL, ctrip_thread_routine, NULL);
    }
}

void ctrip_destroy_thread_pool()
{
    g_threadinfo.thread_running = 0;
    thread_running = 0;
    pthread_cond_broadcast(&amp;g_threadinfo.cond);

    int i;
    for (i = 0; i &lt; g_threadinfo.thread_num; ++i)
    {
        pthread_join(g_threadinfo.threadid[i], NULL);
    }

    free(g_threadinfo.threadid);

    pthread_mutex_destroy(&amp;g_threadinfo.mutex);
    pthread_cond_destroy(&amp;g_threadinfo.cond);
}

void ctrip_thread_pool_add_task(struct ctrip_task* t)
{
    if (t == NULL)
        return;

    pthread_mutex_lock(&amp;g_threadinfo.mutex);

    struct ctrip_task* head = g_threadinfo.tasks;
    if (head == NULL)
        g_threadinfo.tasks = t;
    else
    {
        while (head-&gt;pNext != NULL)
        {
            head = head-&gt;pNext;
        }

        head-&gt;pNext = t;
    }

    ++g_threadinfo.tasknum;
    //&#x5F53;&#x6709;&#x53D8;&#x5316;&#x540E;&#xFF0C;&#x4F7F;&#x7528;signal&#x901A;&#x77E5;wait&#x51FD;&#x6570;
    pthread_cond_signal(&amp;g_threadinfo.cond);
    pthread_mutex_unlock(&amp;g_threadinfo.mutex);
}


struct ctrip_task* ctrip_thread_pool_retrieve_task()
{
    struct ctrip_task* head = g_threadinfo.tasks;
    if (head != NULL)
    {
        g_threadinfo.tasks = head-&gt;pNext;
        --g_threadinfo.tasknum;
        printf(&quot;retrieve a task, task value is [%d]\n&quot;, head-&gt;value);
        return head;
    }

    printf(&quot;no task\n&quot;);

    return NULL;
}

void* ctrip_thread_routine(void* thread_param)
{
    printf(&quot;thread NO.%d start.\n&quot;, (int)pthread_self());

    while (thread_running/*g_threadinfo.thread_running*/)
    {
        struct ctrip_task* current = NULL;

        pthread_mutex_lock(&amp;g_threadinfo.mutex);

        while (g_threadinfo.tasknum &lt;= 0)
        {
            //&#x5982;&#x679C;&#x83B7;&#x5F97;&#x4E86;&#x4E92;&#x65A5;&#x9501;&#xFF0C;&#x4F46;&#x662F;&#x6761;&#x4EF6;&#x4E0D;&#x5408;&#x9002;&#x7684;&#x8BDD;&#xFF0C;wait&#x4F1A;&#x91CA;&#x653E;&#x9501;&#xFF0C;&#x4E0D;&#x5F80;&#x4E0B;&#x6267;&#x884C;&#x3002;
            //&#x5F53;&#x53D8;&#x5316;&#x540E;&#xFF0C;&#x6761;&#x4EF6;&#x5408;&#x9002;&#xFF0C;&#x5C06;&#x76F4;&#x63A5;&#x83B7;&#x5F97;&#x9501;&#x3002;
            pthread_cond_wait(&amp;g_threadinfo.cond, &amp;g_threadinfo.mutex);

            if (!g_threadinfo.thread_running)
                break;

            current = ctrip_thread_pool_retrieve_task();

            if (current != NULL)
                break;
        }// end inner-while-loop

        pthread_mutex_unlock(&amp;g_threadinfo.mutex);

        ctrip_thread_pool_do_task(current);
    }// end outer-while-loop

    printf(&quot;thread NO.%d exit.\n&quot;, (int)pthread_self());
}


void ctrip_thread_pool_do_task(struct ctrip_task* t)
{
    if (t == NULL)
        return;


    //TODO: do your work here
    printf(&quot;task value is [%d]\n&quot;, t-&gt;value);
    //TODO&#xFF1A;&#x5982;&#x679C;t&#x9700;&#x8981;&#x91CA;&#x653E;&#xFF0C;&#x8BB0;&#x5F97;&#x5728;&#x8FD9;&#x91CC;&#x91CA;&#x653E;
}
</code></pre><p>&#x6D4B;&#x8BD5;&#x4EE3;&#x7801;&#x5982;&#x4E0B;&#xFF1A;</p>
<pre class="language-"><code>// ctrip_thread_pool.cpp : Defines the entry point for the console application.
//

//#include &quot;stdafx.h&quot;
#include &quot;ctrip_thread_pool.h&quot;
#include <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>stdlib.h</span><span class="token punctuation">&gt;</span></span>
#include <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>unistd.h</span><span class="token punctuation">&gt;</span></span>

int main(int argc, char* argv[])
{
    ctrip_init_thread_pool(5);
    struct ctrip_task* task = NULL;
    int i;
    for (i = 0; i &lt; 100; ++i)
    {
        task = (struct ctrip_task*)malloc(sizeof(struct ctrip_task));
        task-&gt;value = i + 1;
        task-&gt;pNext = NULL;
        printf(&quot;add task, task value [%d]\n&quot;, task-&gt;value);
        ctrip_thread_pool_add_task(task);
    }

    sleep(10);

    ctrip_destroy_thread_pool();

    return 0;
}
</code></pre><p>&#x4EE3;&#x7801;&#x5F88;&#x5FEB;&#x5C31;&#x5199;&#x597D;&#x4E86;&#xFF0C;&#x4F46;&#x662F;&#x6BCF;&#x6B21;&#x7A0B;&#x5E8F;&#x53EA;&#x80FD;&#x6267;&#x884C;&#x524D;&#x51E0;&#x4E2A;&#x52A0;&#x5230;&#x4EFB;&#x52A1;&#x6C60;&#x5B50;&#x91CC;&#x9762;&#x7684;&#x4EFB;&#x52A1;&#xFF0C;&#x5BFC;&#x81F4;&#x6C60;&#x5B50;&#x6709;&#x4E0D;&#x5C11;&#x4EFB;&#x52A1;&#x79EF;&#x7D2F;&#x5728;&#x6C60;&#x5B50;&#x91CC;&#x9762;&#x3002;&#x751A;&#x662F;&#x5947;&#x602A;&#xFF0C;&#x6211;&#x4E5F;&#x770B;&#x4E86;&#x534A;&#x5929;&#x624D;&#x770B;&#x51FA;&#x7ED3;&#x679C;&#x3002;&#x806A;&#x660E;&#x7684;&#x4F60;&#xFF0C;&#x80FD;&#x770B;&#x51FA;&#x4E0A;&#x8FF0;&#x4EE3;&#x7801;&#x4E3A;&#x5565;&#x53EA;&#x80FD;&#x6267;&#x884C;&#x52A0;&#x5230;&#x6C60;&#x5B50;&#x91CC;&#x9762;&#x7684;&#x524D;&#x51E0;&#x4E2A;&#x4EFB;&#x52A1;&#xFF1F;&#x5148;&#x4E0D;&#x8981;&#x770B;&#x7B54;&#x6848;&#xFF0C;&#x81EA;&#x5DF1;&#x60F3;&#x4E00;&#x4F1A;&#x513F;&#x3002;</p>
<p>linux&#x6761;&#x4EF6;&#x53D8;&#x91CF;&#x662F;&#x505A;&#x540E;&#x53F0;&#x5F00;&#x53D1;&#x5FC5;&#x987B;&#x719F;&#x7EC3;&#x638C;&#x63E1;&#x7684;&#x57FA;&#x7840;&#x77E5;&#x8BC6;&#xFF0C;&#x800C;&#x6761;&#x4EF6;&#x53D8;&#x91CF;&#x4F7F;&#x7528;&#x5B58;&#x5728;&#x4EE5;&#x4E0B;&#x51E0;&#x4E2A;&#x975E;&#x5E38;&#x8BA9;&#x4EBA;&#x8FF7;&#x60D1;&#x7684;&#x5730;&#x65B9;&#xFF0C;&#x8BB2;&#x89E3;&#x5982;&#x4E0B;</p>
<p>&#x7B2C;&#x4E00;&#x3001;&#x5FC5;&#x987B;&#x8981;&#x7ED3;&#x5408;&#x4E00;&#x4E2A;&#x4E92;&#x65A5;&#x4F53;&#x4E00;&#x8D77;&#x4F7F;&#x7528;&#x3002;&#x4F7F;&#x7528;&#x6D41;&#x7A0B;&#x5982;&#x4E0B;&#xFF1A;</p>
<pre class="language-"><code>pthread_mutex_lock(&amp;g_threadinfo.mutex)           
pthread_cond_wait(&amp;g_threadinfo.cond, &amp;g_threadinfo.mutex);
pthread_mutex_unlock(&amp;g_threadinfo.mutex);
</code></pre><p>&#x4E0A;&#x9762;&#x7684;&#x4EE3;&#x7801;&#xFF0C;&#x6211;&#x4EEC;&#x5206;&#x4E3A;&#x4E00;&#x4E8C;&#x4E09;&#x6B65;&#xFF0C;&#x5F53;&#x6761;&#x4EF6;&#x4E0D;&#x6EE1;&#x8DB3;&#x662F;pthread_cond_wait&#x4F1A;&#x6302;&#x8D77;&#x7EBF;&#x7A0B;&#xFF0C;&#x4F46;&#x662F;&#x4E0D;&#x77E5;&#x9053;&#x4F60;&#x6709;&#x6CA1;&#x6709;&#x6CE8;&#x610F;&#x5230;&#xFF0C;&#x5982;&#x679C;&#x5728;&#x7B2C;&#x4E8C;&#x6B65;&#x6302;&#x8D77;&#x7EBF;&#x7A0B;&#x7684;&#x8BDD;&#xFF0C;&#x7B2C;&#x4E00;&#x6B65;&#x7684;mutex&#x5DF2;&#x7ECF;&#x88AB;&#x4E0A;&#x9501;&#xFF0C;&#x8C01;&#x6765;&#x89E3;&#x9501;&#xFF1F;mutex&#x7684;&#x4F7F;&#x7528;&#x539F;&#x5219;&#x662F;&#x8C01;&#x4E0A;&#x9501;&#x8C01;&#x89E3;&#x9501;&#xFF0C;&#x6240;&#x4EE5;&#x4E0D;&#x53EF;&#x80FD;&#x5728;&#x5176;&#x4ED6;&#x7EBF;&#x7A0B;&#x6765;&#x7ED9;&#x8FD9;&#x4E2A;mutex&#x89E3;&#x9501;&#xFF0C;&#x4F46;&#x662F;&#x8FD9;&#x4E2A;&#x7EBF;&#x7A0B;&#x5DF2;&#x7ECF;&#x6302;&#x8D77;&#x4E86;&#xFF0C;&#x8FD9;&#x5C31;&#x6B7B;&#x9501;&#x4E86;&#x3002;&#x6240;&#x4EE5;pthread_cond_wait&#x5728;&#x6302;&#x8D77;&#x4E4B;&#x524D;&#xFF0C;&#x989D;&#x5916;&#x505A;&#x7684;&#x4E00;&#x4E2A;&#x4E8B;&#x60C5;&#x5C31;&#x662F;&#x7ED9;&#x7ED1;&#x5B9A;&#x7684;mutex&#x89E3;&#x9501;&#x3002;&#x53CD;&#x8FC7;&#x6765;&#xFF0C;&#x5982;&#x679C;&#x6761;&#x4EF6;&#x6EE1;&#x8DB3;&#xFF0C;pthread_cond_wait&#x4E0D;&#x6302;&#x8D77;&#x7EBF;&#x7A0B;&#xFF0C;pthread_cond_wait&#x5C06;&#x4EC0;&#x4E48;&#x4E5F;&#x4E0D;&#x505A;&#xFF0C;&#x8FD9;&#x6837;&#x5C31;&#x63A5;&#x7740;&#x8D70;pthread_mutex_unlock&#x89E3;&#x9501;&#x7684;&#x6D41;&#x7A0B;&#x3002;&#x800C;&#x5728;&#x8FD9;&#x4E2A;&#x52A0;&#x9501;&#x548C;&#x89E3;&#x9501;&#x4E4B;&#x95F4;&#x7684;&#x4EE3;&#x7801;&#x5C31;&#x662F;&#x6211;&#x4EEC;&#x64CD;&#x4F5C;&#x53D7;&#x4FDD;&#x62A4;&#x8D44;&#x6E90;&#x7684;&#x5730;&#x65B9;&#x3002;</p>
<p>&#x7B2C;&#x4E8C;&#xFF0C;&#x4E0D;&#x77E5;&#x9053;&#x4F60;&#x6709;&#x6CA1;&#x6709;&#x6CE8;&#x610F;&#x5230;pthread_cond_wait&#x662F;&#x653E;&#x5728;&#x4E00;&#x4E2A;while&#x5FAA;&#x73AF;&#x91CC;&#x9762;&#x7684;&#xFF1A;</p>
<pre class="language-"><code>        pthread_mutex_lock(&amp;g_threadinfo.mutex);

        while (g_threadinfo.tasknum &lt;= 0)
        {
            //&#x5982;&#x679C;&#x83B7;&#x5F97;&#x4E86;&#x4E92;&#x65A5;&#x9501;&#xFF0C;&#x4F46;&#x662F;&#x6761;&#x4EF6;&#x4E0D;&#x5408;&#x9002;&#x7684;&#x8BDD;&#xFF0C;wait&#x4F1A;&#x91CA;&#x653E;&#x9501;&#xFF0C;&#x4E0D;&#x5F80;&#x4E0B;&#x6267;&#x884C;&#x3002;
            //&#x5F53;&#x53D8;&#x5316;&#x540E;&#xFF0C;&#x6761;&#x4EF6;&#x5408;&#x9002;&#xFF0C;&#x5C06;&#x76F4;&#x63A5;&#x83B7;&#x5F97;&#x9501;&#x3002;
            pthread_cond_wait(&amp;g_threadinfo.cond, &amp;g_threadinfo.mutex);

            if (!g_threadinfo.thread_running)
                break;

            current = ctrip_thread_pool_retrieve_task();

            if (current != NULL)
                break;
        }// end inner-while-loop

        pthread_mutex_unlock(&amp;g_threadinfo.mutex);
</code></pre><p>&#x6CE8;&#x610F;&#xFF0C;&#x6211;&#x8BF4;&#x7684;&#x662F;&#x5185;&#x5C42;&#x7684;while&#x5FAA;&#x73AF;&#xFF0C;&#x4E0D;&#x662F;&#x5916;&#x5C42;&#x7684;&#x3002;pthread_cond_wait&#x4E00;&#x5B9A;&#x8981;&#x653E;&#x5728;&#x4E00;&#x4E2A;while&#x5FAA;&#x73AF;&#x91CC;&#x9762;&#x5417;&#xFF1F;&#x4E00;&#x5B9A;&#x8981;&#x7684;&#x3002;&#x8FD9;&#x91CC;&#x6709;&#x4E00;&#x4E2A;&#x975E;&#x5E38;&#x91CD;&#x8981;&#x7684;&#x5173;&#x4E8E;&#x6761;&#x4EF6;&#x53D8;&#x91CF;&#x7684;&#x57FA;&#x7840;&#x77E5;&#x8BC6;&#xFF0C;&#x53EB;&#x6761;&#x4EF6;&#x53D8;&#x91CF;&#x7684;&#x865A;&#x5047;&#x5524;&#x9192;&#xFF08;spurious wakeup&#xFF09;&#xFF0C;&#x90A3;&#x5565;&#x53EB;&#x6761;&#x4EF6;&#x53D8;&#x91CF;&#x7684;&#x865A;&#x5047;&#x5524;&#x9192;&#x5462;&#xFF1F;&#x5047;&#x8BBE;pthread_cond_wait&#x4E0D;&#x653E;&#x5728;&#x8FD9;&#x4E2A;while&#x5FAA;&#x73AF;&#x91CC;&#x9762;&#xFF0C;&#x6B63;&#x5E38;&#x60C5;&#x51B5;&#x4E0B;&#xFF0C;pthread_cond_wait&#x56E0;&#x4E3A;&#x6761;&#x4EF6;&#x4E0D;&#x6EE1;&#x8DB3;&#xFF0C;&#x6302;&#x8D77;&#x7EBF;&#x7A0B;&#x3002;&#x7136;&#x540E;&#xFF0C;&#x5916;&#x90E8;&#x6761;&#x4EF6;&#x6EE1;&#x8DB3;&#x4EE5;&#x540E;&#xFF0C;&#x8C03;&#x7528;pthread_cond_signal&#x6216;pthread_cond_broadcast&#x6765;&#x5524;&#x9192;&#x6302;&#x8D77;&#x7684;&#x7EBF;&#x7A0B;&#x3002;&#x8FD9;&#x6CA1;&#x5565;&#x95EE;&#x9898;&#x3002;&#x4F46;&#x662F;&#x6761;&#x4EF6;&#x53D8;&#x91CF;&#x53EF;&#x80FD;&#x5728;&#x67D0;&#x4E9B;&#x60C5;&#x51B5;&#x4E0B;&#x4E5F;&#x88AB;&#x5524;&#x9192;&#xFF0C;&#x8FD9;&#x4E2A;&#x65F6;&#x5019;pthread_cond_wait&#x5904;&#x7EE7;&#x7EED;&#x5F80;&#x4E0B;&#x6267;&#x884C;&#xFF0C;&#x4F46;&#x662F;&#x8FD9;&#x4E2A;&#x65F6;&#x5019;&#xFF0C;&#x6761;&#x4EF6;&#x5E76;&#x4E0D;&#x6EE1;&#x8DB3;&#xFF08;&#x6BD4;&#x5982;&#x4EFB;&#x52A1;&#x961F;&#x5217;&#x4E2D;&#x4ECD;&#x7136;&#x4E3A;&#x7A7A;&#xFF09;&#x3002;&#x8FD9;&#x79CD;&#x5524;&#x9192;&#x6211;&#x4EEC;&#x53EB;&#x201C;&#x865A;&#x5047;&#x5524;&#x9192;&#x201D;&#x3002;&#x4E3A;&#x4E86;&#x907F;&#x514D;&#x865A;&#x5047;&#x5524;&#x9192;&#x65F6;&#xFF0C;&#x505A;&#x65E0;&#x610F;&#x4E49;&#x7684;&#x52A8;&#x4F5C;&#xFF0C;&#x6211;&#x4EEC;&#x5C06;pthread_cond_wait&#x653E;&#x5230;while&#x5FAA;&#x73AF;&#x6761;&#x4EF6;&#x4E2D;&#xFF0C;&#x8FD9;&#x6837;&#x5373;&#x4F7F;&#x88AB;&#x865A;&#x5047;&#x5524;&#x9192;&#x4E86;&#xFF0C;&#x7531;&#x4E8E;while&#x6761;&#x4EF6;&#xFF08;&#x6BD4;&#x5982;&#x4EFB;&#x52A1;&#x961F;&#x5217;&#x662F;&#x5426;&#x4E3A;&#x7A7A;&#xFF0C;&#x8D44;&#x6E90;&#x6570;&#x91CF;&#x662F;&#x5426;&#x5927;&#x4E8E;0&#xFF09;&#x4ECD;&#x7136;&#x4E3A;true&#xFF0C;&#x5BFC;&#x81F4;&#x7EBF;&#x7A0B;&#x8FDB;&#x884C;&#x7EE7;&#x7EED;&#x6302;&#x8D77;&#x3002;&#x6709;&#x4EBA;&#x8BF4;&#x6761;&#x4EF6;&#x53D8;&#x91CF;&#x662F;&#x6700;&#x4E0D;&#x53EF;&#x80FD;&#x7528;&#x9519;&#x7684;&#x7EBF;&#x7A0B;&#x4E4B;&#x95F4;&#x540C;&#x6B65;&#x6280;&#x672F;&#xFF0C;&#x6211;&#x5374;&#x89C9;&#x5F97;&#x8FD9;&#x662F;&#x6700;&#x5BB9;&#x6613;&#x4F7F;&#x7528;&#x9519;&#x8BEF;&#x7684;&#x7EBF;&#x7A0B;&#x4E4B;&#x95F4;&#x540C;&#x6B65;&#x6280;&#x672F;&#x3002;</p>
<p>&#x4E0A;&#x8FF0;&#x4EE3;&#x7801;&#x5B58;&#x5728;&#x7684;&#x95EE;&#x9898;&#x662F;&#xFF0C;&#x53EA;&#x8003;&#x8651;&#x4E86;&#x4EFB;&#x52A1;&#x961F;&#x5217;&#x5F00;&#x59CB;&#x4E3A;&#x7A7A;&#xFF0C;&#x751F;&#x4EA7;&#x8005;&#x540E;&#x6765;&#x6DFB;&#x52A0;&#x4E86;&#x4EFB;&#x52A1;&#xFF0C;&#x6761;&#x4EF6;&#x53D8;&#x91CF;&#x88AB;&#x5524;&#x9192;&#xFF0C;&#x7136;&#x540E;&#x6D88;&#x8D39;&#x8005;&#x53D6;&#x4EFB;&#x52A1;&#x6267;&#x884C;&#x7684;&#x903B;&#x8F91;&#x3002;&#x5047;&#x5982;&#x4E00;&#x5F00;&#x59CB;&#x6C60;&#x4E2D;&#x5C31;&#x6709;&#x4EFB;&#x52A1;&#x5462;&#xFF1F;&#x8FD9;&#x4E2A;&#x539F;&#x56E0;&#x5BFC;&#x81F4;&#xFF0C;&#x53EA;&#x6709;&#x5F00;&#x59CB;&#x7684;&#x51E0;&#x4E2A;&#x6DFB;&#x52A0;&#x5230;&#x4EFB;&#x52A1;&#x961F;&#x5217;&#x4E2D;&#x4EFB;&#x52A1;&#x88AB;&#x6267;&#x884C;&#x3002;&#x56E0;&#x4E3A;&#x4E00;&#x65E6;&#x4EFB;&#x52A1;&#x961F;&#x5217;&#x4E0D;&#x4E3A;&#x7A7A;&#x3002;&#x5185;&#x5C42;while&#x5FAA;&#x73AF;&#x6761;&#x4EF6;&#x5C06;&#x4E0D;&#x518D;&#x6EE1;&#x8DB3;&#xFF0C;&#x5BFC;&#x81F4;&#x6D88;&#x8D39;&#x8005;&#x7EBF;&#x7A0B;&#x4E0D;&#x518D;&#x4ECE;&#x4EFB;&#x52A1;&#x961F;&#x5217;&#x4E2D;&#x53D6;&#x4EFB;&#x52A1;&#x6D88;&#x8D39;&#x3002;&#x6B63;&#x786E;&#x7684;&#x4EE3;&#x7801;&#x5982;&#x4E0B;&#xFF1A;</p>
<pre class="language-"><code>/**
 *  &#x7EBF;&#x7A0B;&#x6C60;&#x5DE5;&#x5177;, ctrip_thread_pool.c&#xFF08;&#x4FEE;&#x6B63;&#x540E;&#x7684;&#x4EE3;&#x7801;&#xFF09;
 *  zhangyl 2018.03.23
 */

#include &quot;ctrip_thread_pool.h&quot;
#include <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>stdio.h</span><span class="token punctuation">&gt;</span></span>
#include <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>stdlib.h</span><span class="token punctuation">&gt;</span></span>

struct ctrip_thread_info g_threadinfo;

void ctrip_init_thread_pool(int thread_num)
{
    if (thread_num &lt;= 0)
        thread_num = 5;

    pthread_mutex_init(&amp;g_threadinfo.mutex, NULL);
    pthread_cond_init(&amp;g_threadinfo.cond, NULL);

    g_threadinfo.thread_num = thread_num;
    g_threadinfo.thread_running = 1;
    g_threadinfo.tasknum = 0;
    g_threadinfo.tasks = NULL;

    g_threadinfo.threadid = (pthread_t*)malloc(sizeof(pthread_t) * thread_num);

    int i;
    for (i = 0; i &lt; thread_num; ++i)
    {
        pthread_create(&amp;g_threadinfo.threadid[i], NULL, ctrip_thread_routine, NULL);
    }
}

void ctrip_destroy_thread_pool()
{
    g_threadinfo.thread_running = 0;
    pthread_cond_broadcast(&amp;g_threadinfo.cond);

    int i;
    for (i = 0; i &lt; g_threadinfo.thread_num; ++i)
    {
        pthread_join(g_threadinfo.threadid[i], NULL);
    }

    free(g_threadinfo.threadid);

    pthread_mutex_destroy(&amp;g_threadinfo.mutex);
    pthread_cond_destroy(&amp;g_threadinfo.cond);
}

void ctrip_thread_pool_add_task(struct ctrip_task* t)
{
    if (t == NULL)
        return;

    pthread_mutex_lock(&amp;g_threadinfo.mutex);

    struct ctrip_task* head = g_threadinfo.tasks;
    if (head == NULL)
        g_threadinfo.tasks = t;
    else
    {
        while (head-&gt;pNext != NULL)
        {
            head = head-&gt;pNext;
        }

        head-&gt;pNext = t;
    }

    ++g_threadinfo.tasknum;
    //&#x5F53;&#x6709;&#x53D8;&#x5316;&#x540E;&#xFF0C;&#x4F7F;&#x7528;signal&#x901A;&#x77E5;wait&#x51FD;&#x6570;
    pthread_cond_signal(&amp;g_threadinfo.cond);
    pthread_mutex_unlock(&amp;g_threadinfo.mutex);
}


struct ctrip_task* ctrip_thread_pool_retrieve_task()
{
    struct ctrip_task* head = g_threadinfo.tasks;
    if (head != NULL)
    {
        g_threadinfo.tasks = head-&gt;pNext;
        --g_threadinfo.tasknum;
        printf(&quot;retrieve a task, task value is [%d]\n&quot;, head-&gt;value);
        return head;
    }

    printf(&quot;no task\n&quot;);

    return NULL;
}

void* ctrip_thread_routine(void* thread_param)
{
    printf(&quot;thread NO.%d start.\n&quot;, (int)pthread_self());

    while (g_threadinfo.thread_running)
    {
        struct ctrip_task* current = NULL;

        pthread_mutex_lock(&amp;g_threadinfo.mutex);

        while (g_threadinfo.tasknum &lt;= 0)
        {
            //&#x5982;&#x679C;&#x83B7;&#x5F97;&#x4E86;&#x4E92;&#x65A5;&#x9501;&#xFF0C;&#x4F46;&#x662F;&#x6761;&#x4EF6;&#x4E0D;&#x5408;&#x9002;&#x7684;&#x8BDD;&#xFF0C;wait&#x4F1A;&#x91CA;&#x653E;&#x9501;&#xFF0C;&#x4E0D;&#x5F80;&#x4E0B;&#x6267;&#x884C;&#x3002;
            //&#x5F53;&#x53D8;&#x5316;&#x540E;&#xFF0C;&#x6761;&#x4EF6;&#x5408;&#x9002;&#xFF0C;&#x5C06;&#x76F4;&#x63A5;&#x83B7;&#x5F97;&#x9501;&#x3002;
            pthread_cond_wait(&amp;g_threadinfo.cond, &amp;g_threadinfo.mutex);

            if (!g_threadinfo.thread_running)
                break;

        }// end inner-while-loop

        current = ctrip_thread_pool_retrieve_task();
        pthread_mutex_unlock(&amp;g_threadinfo.mutex);

        ctrip_thread_pool_do_task(current);
    }// end outer-while-loop

    printf(&quot;thread NO.%d exit.\n&quot;, (int)pthread_self());
}


void ctrip_thread_pool_do_task(struct ctrip_task* t)
{
    if (t == NULL)
        return;


    //TODO: do your work here
    printf(&quot;task value is [%d]\n&quot;, t-&gt;value);
    //TODO&#xFF1A;&#x5982;&#x679C;t&#x9700;&#x8981;&#x91CA;&#x653E;&#xFF0C;&#x8BB0;&#x5F97;&#x5728;&#x8FD9;&#x91CC;&#x91CA;&#x653E;
}
</code></pre><p>ok&#xFF0C;&#x4E0D;&#x77E5;&#x9053;&#x4F60;&#x6709;&#x6CA1;&#x6709;&#x770B;&#x660E;&#x767D;&#x5440;&#xFF1F; </p>
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